Home / 26,155.12-39,228.62-7,436.02

Finding the Fourth Proportional to 26,155.12, 39,228.62 and 7,436.02

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Solution

The fourth proportional to 26,155.12, 39,228.62 and 7,436.02 is: 11,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.12 : 39,228.62 = 7,436.02 : x
  2. Step 2: Convert to fraction form
    26,155.12/39,228.62 = 7,436.02/x
  3. Step 3: Cross multiply
    26,155.12x = 39,228.62 × 7,436.02
  4. Step 4: Simplify right side
    26,155.12x = 291,704,802.89
  5. Step 5: Solve for x
    x = 291,704,802.89/26,155.12
  6. Step 6: Final answer
    x = 11,152.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.